Taking care of your skin, hair, and nails helps keep your whole body healthy.

Taking care of your skin, hair, and nails helps keep your whole body healthy.

epidermis • dermis • melanin • sebaceous glands • hair follicles • melanoma

Your Skin • Skin protects you from pathogens, regulates your body temperature, and helps you feel sensations. • ______ is the largest organ on the human body.

Your Skin • The skin consists of two main layers, the _________ and the dermis. • __________ • The outer, thinner layer of the skin that is composed of living and dead cells

Your Skin • Just underneath the epidermis is the ________. • ___________ • The thicker layer of the skin beneath the epidermis that is made up of connective tissue and contains blood vessels and nerves

Your Skin • Cells in the epidermis make substances called lipids, which make your skin waterproof. • This waterproofing helps the body maintain a proper balance of water and electrolytes.

Your Skin • The more ________ that your body produces, the darker the skin. • ___________ • A pigment that gives the skin, hair, and iris of the eyes their color

Your Skin • Three Main Functions of Skin • TemperatureControl • Protection • Sensation

Epidermis • Dermis • SubcutaneousLayer Your Skin

hair • dead epidermis • living epidermis • sweat pore • sebaceous gland • hair follicle • muscle • duct of sweat gland • sweat gland • artery • vein • nerve • fat tissue Your Skin

Your Skin • Sebaceous glandsare also found in the dermis. Sebum helps keep skin and hair from drying out. • Sebaceous glands • Structures within the skin that produce an oily secretion called sebum

Keeping Your Skin Healthy • A daily routine will keep your skin healthy.

Keeping Your Skin Healthy • Tips for Keeping Your Skin Healthy • Wash your face every morning and evening with mild soap and water. • Avoid touching your face with your hands. • Choose personal skin care products carefully to avoid irritation and the chance of allergic reaction. • Follow a well-balanced eating plan that is rich in vitamins and minerals.

Keeping Your Skin Healthy • An eating plan rich in vitamin A will promote healthy skin.

UV Protection • Tanned skin is a sign that skin has been damaged by UV rays. • Prolonged exposure to UV rays can lead to skin cancer.

UV Protection • UV Protection Tips • Always wear sunscreen with an SPF of 15 or higher on exposed areas of skin. • Apply sunscreen 15 to 30 minutes before going outside, even on cloudy days. • Wear protective clothing. • Wear sunglasses. • Avoid using tanning beds, as prolonged exposure can lead to skin cancer.

Body Piercing and Tattooing • Infections from bacteria • Viruses from blood-borne pathogens • Health Risks ofBody Piecing andTattooing • Damage to mouth and teeth • Limit future job opportunities and relationships

Skin Problems • Acne occurs when clogged pores become infected and pus forms. • Keep your face clean. • Apply over-the-counter treatments. • Avoid oily products and heavy makeup. • See a doctor if necessary.

Skin Problems • Warts are caused by viruses and can be spread through direct physical contact.

Skin Problems • Dermatitis, or eczema, is inflamed skin usually caused by an allergic reaction. • Keep your skin well moisturized to reduce irritation. See a doctor if necessary.

Skin Problems • Boils form when _____ follicles become infected. Do not burst or squeeze a boil. • _______ follicles • Sacs or cavities that surround the roots of hairs

Skin Problems • Fungal infections are spread by contact with skin, clothing, or in public showers. • Keep skin clean and dry and treat with over-the-counter medicines.

Skin Problems • Moles are usually harmless, but they can develop into _________, which can be deadly. • __________ • The most serious form of skin cancer

Skin Problems • Early detection and treatment are critical in controlling the spread of melanoma. • Regularly checking the appearance of your moles is important for the early detection of melanoma.

Skin Problems • The ABCD’S of Melanoma • An imaginary line drawn through the center of the mole does not produce matching halves. • Asymmetry • Border Irregularity • Non-cancerous moles have smooth edges. Suspect moles often have irregular edges. • Look for moles that are intensely black, possibly with a bluish tint, or that have an uneven color. • Color • Check for moles that are wider across than the width of a pea. • Diameter

Skin Problems • A • B • C • D • Asymmetry • BorderIrregularity • Color • Diameter

Your Hair • Your hair protects your skin from UV radiation and helps maintain body heat. • Hair grows on every surface of the skin, except for the palms of the hand and the soles of the feet.

Your Hair • Hair protects the skin from UV radiation and prevents loss of heat from the body. • The eyebrows and eyelashes protect the eyes from dust and other particles.

Your Hair • Protecting Your Hair • Eat a well-balanced diet. • Brush daily. • Shampoo regularly. • Limit the use of harsh chemical treatments. • Avoid excessive use of heating irons or hot combs.

Hair Problems • Dead skin cells that are shed as sticky white flakes. • Dandruff • Avoiding Dandruff • Keep your hair clean. • Treating Dandruff • Use over-the-counter dandruff shampoo.

Hair Problems • Tiny parasitic insects that live in scalp hair. • Head Lice • Avoiding Head Lice • Don’t share brushes, combs, or hats. • Treating Head Lice • Use a medicated shampoo to kill the organisms.

Your Nails • Nails help protect your fingers and toes. • Your fingernails and toenails are made of closely packed dead cells that contain keratin.

Your Nails • Any cut, split, or break of the skin surrounding the nail should be kept clean and treated with antibiotic ointment to avoid infection.

Your Nails • Protecting Your Nails • Keep nails clean and evenly trimmed. • Use a nail file to shape and smooth nails. • Keep cuticles pushed back. • Trim toenails straight across and just slightly above the skin level. • Keep nails short.

Your teeth and mouth need care to function well and keep you healthy.

Your Teeth • Every tooth has three main parts. • Having healthy teeth is important for your appearance and your overall physical health.

Your Teeth • Your teeth break down foods into pieces that are small enough to easily digest. • They also help form the shape and structure of your mouth.

Your Teeth • The ____________ supports the tooth and holds it in place. • ___________ • The area immediately around the tooth

Parts of a Tooth • Parts of the Periodontium • Periodontal Ligaments • The Gum • The Jawbone

Parts of a Tooth • Three Main Parts of the Tooth • Crown • Neck • Root

Crown • Neck • Root Parts of a Tooth

enamel • dentin • gum • gingivia • pulp cavity with nerves and vessels • cementum • periodontal ligaments • periodontal membrane • root canal • bone Parts of a Tooth

Parts of a Tooth • _________ is a hard substance made of calcium that protects the crown. • Dentin is layer of connective tissue that contributes to the shape and hardness of a tooth.

Keeping Your Teeth and Mouth Healthy • You can make choices that help keep your teeth and mouth clean and healthy. • Oral hygiene, which includes brushing and flossing your teeth, is necessary for healthy, clean teeth.

Keeping Your Teeth and Mouth Healthy • Bacteria metabolize the sugars in the foods you eat, producing an acid that breaks down the protective layer of tooth enamel. • Tooth decay occurs when the enamel is destroyed and bacteria penetrate the tooth.

Keeping Your Teeth and Mouth Healthy • ________ damages the tooth by coating it, sealing out the saliva that normally protects the tooth from bacteria. • ________ • A combination of bacteria and other particles, such as small bits of food, which adheres to the outside of a tooth

Keeping Your Teeth and Mouth Healthy • If plaque builds up, acids produced by bacteria break down the tooth enamel, resulting in a cavity. • If decay spreads down to the pulp, the tooth may have to be removed.

 • Eat a well-balanced diet. •  • Reduce the number of sugary drinks and snacks you eat. •  • Brush your teeth after every meal, and floss daily. •  • Get regular dental checkups. •  • Wear a mouth guard when you play contact sports. •  • Avoid all tobacco products. Keeping Your Teeth and Mouth Healthy •  • Visit a dentist regularly.

Tooth and Mouth Problems • __________ can be caused by eating certain foods, poor oral hygiene, smoking, bacteria on the tongue, decayed teeth, and gum disease. • _________ • Bad breath

Tooth and Mouth Problems • Gum disease, or __________ disease,is caused by bacterial infection. • _________ disease • An inflammation of the periodontal structures

Taking care of your skin, hair, and nails helps keep your whole body healthy.